Pearson eText Introductory Statistics: ...3rd EditionRobert Gould, Rebecca Wong Publisher: PEARSON+ISBN: 9780136880882
Pearson eText Introductory Statistics: ...
Solutions for Pearson eText Introductory Statistics: Exploring the World Through Data -- Instant Access (Pearson+)
Problem 1SE:
Tests a. In Chapter 8, you learned some tests of proportions. Are tests of proportions used for...Problem 2SE:
In Chapter 9, you learned some tests of means. Are tests of means used for numerical or categorical...Problem 3SE:
Crime and Gender A statistics student conducted a study in Ventura County, California, that looked...Problem 4SE:
Red Cars and Stop Signs The table shows the raw data for the results of a student survey of 22 cars...Problem 5SE:
The table summarizes the outcomes of a study that students carried out to determine whether...Problem 6SE:
Finger Length There is a theory that relative finger length depends on testosterone level. The table...Problem 7SE:
Student Loans-California According to a 2017 report, 53 of college graduates in California had...Problem 8SE:
Student Loans-Illinois According to a 2017 report, 64 of college graduate in Illinois had student...Problem 9SE:
Breakfast Habits (Example 1 2) In a 2015 study by Nanney et al. and published in the Journal of...Problem 10SE:
Fast Food Habits In the study referenced in exercise 10.8, researchers also asked whether or not...Problem 11SE:
Mummies with Heart Disease According to the website MedicalNewsToday.com, coronary artery disease...Problem 12SE:
Texting While Driving According to the 2015 High School Youth Risk Behavior Survey, 41.5 of high...Problem 13SE:
Violins Stradivarius violins, made in the 1700s by a man of the same name, are worth millions of...Problem 14SE:
Coin Flips You flip a coin 100 times and get 58 heads and 42 tails. Calculate the chi-square...Problem 17SE:
Are Humans Like Random Number Generators? (Example 3) One of the authors collected data from a class...Problem 18SE:
Is the Random Number Table Really Random? We counted ones, twos, threes, fours, and fives from a few...Problem 19SE:
Coin Spins A penny was spun on a hard, flat surface 50 times, and the result was 15 heads and 35...Problem 20SE:
Internet Usage In 2018 Pew Research reported that 11 of Americans do not use the Internet. Suppose...Problem 21SE:
Dreidel Spinning When playing Dreidel, (see photo) you sit in a circle with friends or relatives and...Problem 22SE:
Plastic Dreidel See exercise 10.21 for an explanation of playing with the dreidel. This time the...Problem 23SE:
Is the Six-Sided Die Fair? The table shows the results of rolling a six-sided die 120 times. Test...Problem 24SE:
Is the Six-Sided Die Fair? Repeat the chi-square test (all four steps) from exercise 10.23, but this...Problem 25SE:
Violins Professional musicians listened to five violins being played, without seeing the...Problem 26SE:
Mummies with Heart Disease Exercise 10.11 on artery disease in mummies indicated that 9 out of 16...Problem 27SE:
Party and Right Direction (Example 4) Suppose a polling organization asks a random sample of people...Problem 28SE:
Antibiotic or Placebo A large number of surgery patients get infections after surgery, which can...Problem 29SE:
Relevant Education (Example 5) A 2018 Gallup poll asked college graduates if they agreed that the...Problem 31SE:
Fitness The table shows the percentage of all men and women in the United States aged 18 to 44 who...Problem 32SE:
Food Security The table shows the percentage of all U.S. households who are food secure, have low...Problem 33SE:
Fitness App Use and Gender (Example 6) In a 2015 study reported in the Journal of American College...Problem 34SE:
Diet App Use and Gender In the study referenced in exercise 10.33, researchers also collected data...Problem 35SE:
HPV Vaccination Rates A vaccine is available to pre-vent the contraction of human papillomavirus...Problem 36SE:
HPV Vaccine Literacy Rates In the study described in 10.35 researchers also asked survey respondents...Problem 37SE:
Gender and Happiness of Marriage The table shows the results of a two-way table of gender and...Problem 38SE:
Is Smiling Independent of Age? Randomly chosen people were observed for about 10 seconds in several...Problem 39SE:
Preschool Attendance and High School Graduation Rates (Example 7) The Perry Preschool Project was...Problem 40SE:
Preschool Attendance and High School Graduation Rates for Females The Perry Preschool Project data...Problem 41SE:
Preschool Attendance and High School Graduation Rates for Males The Perry Preschool Project data...Problem 44SE:
Marijuana Legalization The 2018 Pew Research poll in exercise 10.43 also reported responses by...Problem 45SE:
Brain Bleed Treatment In a 2018 article published in The Lancet, Sprigg et al. studied the effect of...Problem 46SE:
Multiple Sclerosis Treatment In a 2018 article published in The Lancet, Kappos et al. studied the...Problem 48SE:
Political Party Affiliation and Generation A 2018 Pew Research poll recorded respondents political...Problem 50SE:
Night Shifts A random sample of nurses working night shifts were asked whether they were fatigued...Problem 51SE:
Gender and Political Party Affiliation The data in the table are from a General Social Survey and...Problem 52SE:
Children and Happiness The data in the table come from a General Social Survey. The top row is the...Problem 54SE:
Nice Rats Rats had a choice of freeing another rat or eating chocolate by themselves. Most of the...Problem 55SE:
Peanut Allergies In a 2015 study reported in the New England Journal of Medicine, Du Toit et al....Problem 56SE:
Peanut Allergies In the study described in exercise 10.55, researchers (Du Toits et al., 2015) also...Problem 58CRE:
In exercises 10.57 to 10.64, choose an appropriate test from those listed below. Unless otherwise...Problem 62CRE:
In exercises 10.57 to 10.64, choose an appropriate test from those listed below. Unless otherwise...Problem 64CRE:
In exercises 10.57 to 10.64, choose an appropriate test from those listed below. Unless otherwise...Problem 65CRE:
Perry Preschool Arrests The Perry Preschool Project discussed in exercises 10.39 to 10.41 found that...Problem 66CRE:
Parental Training and Criminal Behavior of Children In Montreal, Canada, an experiment was done with...Problem 69CRE:
Harassment in the Workplace An 2017 NPR/Marist poll asked a random sample of Americans if they had...Problem 71CRE:
Robot Cockroaches Cockroaches tend to rest in groups and prefer dark areas. In a study by Halloy et...Browse All Chapters of This Textbook
Chapter 1 - Introduction To DataChapter 2 - Picturing Variation With GraphsChapter 3 - Numerical Summaries Of Center And VariationChapter 4 - Regression Analysis: Exploring Associations Between VariablesChapter 5 - Modeling Variation With ProbabilityChapter 6 - Modeling Random Events: The Normal And Binomial ModelsChapter 7 - Survey Sampling And InferenceChapter 8 - Hypothesis Testing For Population ProportionsChapter 9 - Inferring Population MeansChapter 10 - Associations Between Categorical Variables
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